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andre [41]
3 years ago
6

At a particular music store, CDs are on sale at $12.00 for the first one purchased and $9.00 for each additional disc purchased.

Maria spends $84.00 on CDs. How many CDs has Maria purchased?
Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0
Maria bought 9 CDs. Hope I helped :)
Elanso [62]3 years ago
8 0

Answer:

Maria purchased 9 CDs

Step-by-step explanation:

Maria spends $84.00 on CDs. The first CD is $12,  the rest $9

As the CD have different price ,  first we have to discount the price of the first one,  and then we divide the rest by $9

Price First CD = $12 ,

We buy the first ,  so we get the rest of money  84-12=72

Price Rest =$9 ,  with the money that left ,  we can buy 72/9= 8

Total= 1 +8 =9

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